Home / 10,372.79-14,314.30-5,657.07

Finding the Fourth Proportional to 10,372.79, 14,314.30 and 5,657.07

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Solution

The fourth proportional to 10,372.79, 14,314.30 and 5,657.07 is: 7,806.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.79 : 14,314.30 = 5,657.07 : x
  2. Step 2: Convert to fraction form
    10,372.79/14,314.30 = 5,657.07/x
  3. Step 3: Cross multiply
    10,372.79x = 14,314.30 × 5,657.07
  4. Step 4: Simplify right side
    10,372.79x = 80,977,036.64
  5. Step 5: Solve for x
    x = 80,977,036.64/10,372.79
  6. Step 6: Final answer
    x = 7,806.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.